Lubricant-cup.



G. W. BOWEN.

LUBRICANT CUP.

APPLICATION FILED MAY 26. 1909.

1 ,1 58%3'1 Patented Nov. 2, 1915.

COLUMBIA PL/NoGR/II H C0-,\\'ASIIINGTON. n. c,

GEORGE W. BOWEN, OF AUBURN, NEW YORK.

LUBRICANT-CUE.

Specification of Letters Patent. i

Patented Nov. 2, 1915.

Application filed May 2c. 1909. Serial No. 498,416.

1 0 all whom it may concern.

Be it known that I, GEORGE W. BOWEN, of Auburn, in the county of Cayuga and State of New York, have invented a new and useful Lubricant-Cup, of which the following is a specification.

My invention has for its object the production of a grease or lubricant cup which is particularly simple and substantial in construction and inexpensive of manufacture; and it consists in the combinations and constructions hereinafter set forth and claimed.

In describing this invention reference is had to the accompanying drawing in which like characters designate corresponding parts in all the views.

Figure 1 is a side elevation of a grease or lubricant cup embodying my invention. Fig. 2 is a vertical section of said cup and contiguous parts of a bearing. Fig. 8 is a plan view of the cup, the cap for the receptacle thereof being removed. Fig. 4 is a section on line l-fi- Fig. 1.

Before entering into a detailed description of this invention, attention is called to the fact that the same is particularly applicable, in some of its aspects, to cups made of sheet metal such as that described in my separate application for Letters Patent filed Feb. 23, 1905, Sr. No. 246,834.

In the illustrated embodiment of my invention the body or base 1 of the cup 18 pressed from a blank of sheet metal and consists of a cylindrical receptacle 1 having an open upper end and a funnel-shaped bottom 2 at its lower end, and an integral hollow outlet stem 3 depending from the lowest portion of the funnel-shaped bottom, the stem having an annular peripheral shoulder and being threaded at its lower end for en gagement with the part to be lubricated. The stem 3 is formed with an enlarged noncircular' portion 4c preferably adjoining the funnel shaped bottom 2, the non circular portion 4 being preferably polysided or her; agonal to provide a convenient wrench-engaging surface, and being usually formed by distortin the metal composing the stem by pressing the same laterally with reference to the longitudinal axis of the stem; and in so forming the non-circular portion, the stem is provided with an internal chamber 5 of greater diameter than the passage 6 of the stem, and of the same contour as the wrenchengaging surface, the walls of the lnterior of such non-circular portion tapering downwardly.

The cha1nber5is preferably tapered from the receptacle toward the lower end thereof, and terminates in a shoulder 7 at its uncture with the threaded portion of the stem.

Located within the chamber 5, is a stiffening block 8, preferably of the same general contour as the internal wall of the chamber, this block being formed with a passage 9 in line with, and of less diameter than, the bore of the lower end of the stem. Any suitable means may be employed for holding this block 8 in position, but preferably the blcck is tightly fitted to the chamber 5, and is driven into position and frictionally engaged with the inner wall of the chamber. The block 8, when in operative position may or may not rest upon the shoulder 7. It will be apparent that the block serves to stiffen the wall of the chamher 5, and prevent twisting and collapse of the same when engaged by a wrench. Means is provided for agitating and meltmg the grease, said means consisting of a vibratory rod arranged lengthwise of the stem and supported to move freely Within the stem and the passage 9 through the block 8, said rod projecting well within the body of the receptacle 1, and being formed at its upper end with a head which vibrates within the body of grease in the receptacle. The head may be formed by bending the rod laterally as at 11, and then back upon the lateral bend and in an opposite direction be yond the rod, as at 12, so that the head consists of two members extending in opposite diic'lections at substantial right angles to said ro The invention, just described, is particularly applicable for lubricating crank-pins and I have shown the same as screwed into a block A forming one part of the bearing for a crank-pin B. VJhen so applied, the end of the rod 10, opposite to that carrying the head, projects beyond the end of the stem, and rests upon the crank-pin B and conducts the heat of the bearing to the grease in the receptacle, and the vibration of the bearing imparts to said rod sufficient movement to keep the grease agitated and in proper condition to flow from the receptacle. Obviously the block 8 in addition to reinforcing the stem, also serves as an efficient guide for the rod, maintains the rod at substantially the center of the grease receptacle, and prevents said rod from being shaken from its position within the stem.

What I. claim is 1. A sheet metal grease or lubricant cup comprising a body or bowl, a hollow stem depending from the bowl, the portion of the stem contiguous to the bowl being shaped to form a wrench-hold and having its internal passage of greater diameter than the internal passage of the underlying portion of the stem, and a reinforcing block inserted into the wrench-hold portion of the stem, the block being of substantially the same length as the internal passage of the wrench-hold portion, and the internal face of the wrench-hold portion and the external face of the block fitting each other throughout the extent of said faces, substantially as and for the purpose described.

2. A sheet metal grease or lubricant cup comprising a body or bowl, a hollow stem depending from the bowl, the portion of the stem contiguous to the bowl being shaped to form a wrench-hold and having its internal passage of greater diameter than the internal passage of the underlying portion of the stem, the internal passage of said wrench-hold portion being provided with a shoulder at the base thereof, and a reinforcing block inserted into the wrench-hold portion of the stem, the lower end of the block being engaged with said shoulder, and the block being of substantially the same length as the internal passage of the and having a lengthwise passage, the block being of substantially the same length as the wrench-hold portion, and said passage being of less diameter than the passage of the remainder of the stem, and a rod having a portion located in the body of the cup, the rod extending through the passage of the stem and the reinforcing block and being guided in its movement by the reinforcing block, substantially as and for the purpose specified.

4. A sheet metal grease or lubricant cup comprising a body or bowl having its bottom provided with a concave upper face, a hollow stem depending from the bowl, the portion of the stem contiguous to the bowl being shaped to form a wrench-hold and having angular inner and outer faces, the internal passage of said wrench-hold 7 portion being of greater diameter than the internal passage of the underlying portion of the stem, and the internal. passage of the wrench-hold portion being provided with a shoulder at the base thereof, and a reinforcing block having an angular outer face and inserted into the wrench-hold portion of the stem, the block being of substantially the same length as the internal passage of the wrench-hold portion, the lower end of the block being engaged with said shoulder, and the upper end of the block being concave and forming a continuation of the contiguous portion of the upper face of the bottom of the bowl, and the internal face of the wrench-hold portion and the external face of the block fitting each other throughout the extent of said faces, substantially as and for the purpose specified.

In testimony whereof, I have hereunto signed my name in the presence of two attesting witnesses, at Auburn in the county of Cayuga, in the State of New York, this 12th day of May, 190$).

GEORGE W. BOWEN.

\Vitnesses RALPH R. KEELER, J. H. lVIMBLn.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

